Big Brother
noun [ S ] uk/ˌbɪɡ ˈbrʌð.ər/ us/ˌbɪɡ ˈbrʌð.ɚ/
“老大哥”;专制政府;独裁者
a way of referring to a government, ruler, or person in authority that has complete power and tries to control people's behaviour and thoughts and limit their freedom